Today, most life on Earth is supported by oxygen. But ancient microbial mats existed for a billion years before oxygen was present in the atmosphere. So what did life use instead? Source: https://earthsky.org/earth/ancient-microbial-life-arsenic…
Tag: element
AMD Ryzen 5000 and Zen 3 on Nov 5th: +19% IPC, Claims Best Gaming CPU
Dr. Lisa Su, the CEO of AMD, has today announced the company’s next generation mainstream Ryzen processor. From a report: The new family, known as the Ryzen 5000 series, includes four parts and supports up to sixteen cores. The key element of the new product is the core design, with AMD’s latest Zen 3 microarchitecture, promising a 19% raw increase in…
Astronomers capture 1st direct image of young giant exoplanet
For the first time, astronomers have obtained an image of the very young gas giant exoplanet Beta Pictoris c, 63 light-years away. Its sibling, Beta Pictoris b, was discovered and photographed in 2008. Source: https://earthsky.org/space/direct-imaging-of-exoplanet-beta-pictoris-c…
Revealing secret of lithium-rich stars by monitoring their heartbeats
Lithium is an ancient element that is almost as old as the universe itself. Though one of the building blocks of our present-day universe, lithium’s presence in many celestial bodies often conflicts with predictions of classic theories. Source: https://phys.org/news/2020-10-revealing-secret-lithium-rich-stars-heartbeats.html…
Top 4 most promising worlds for alien life in the solar system
Where are the other most promising locations for extraterrestrial life in our solar system? Source: https://earthsky.org/space/et-alien-life-most-likely-worlds-solar-system…
Searching for habitable exoplanets? Look for phosphorus
Scientists develop a new way to search for potentially habitable exoplanets by measuring the amount of phosphorus in their stars. Such planets should also have abundant phosphorus – necessary for life on Earth – increasing the chances for life. Source: https://earthsky.org/space/phosphorus-in-stars-and-biomarker-habitable-exoplanets…
A Chinese perspective on autumn
In Chinese thought, autumn is with the direction west, considered to be the direction of dreams and visions. Source: https://earthsky.org/earth/autumn-equinox-cycles-of-nature-and-chinese-philosophy…
What are brown dwarfs?
A brown dwarf is more massive than a planet, but less massive than a star. Exactly how much more and less? Source: https://earthsky.org/space/definition-what-are-brown-dwarfs…
Meet Anita: Lifelong Learner, Contract Tracer
We want to introduce you to Anita. She recently completed the COVID-19 Contact Tracing course from Johns Hopkins University and began working as a contact tracer to help combat the virus. Below, she shares her experience in the course and tells us about her background and future plans. Hello Anita! Thank you so much for […]
The post Meet Anita: Lifelong Learner,…
Meet Anita: Lifelong Learner, Contact Tracer
We want to introduce you to Anita. She recently completed the COVID-19 Contact Tracing course from Johns Hopkins University and began working as a contact tracer to help combat the virus. Below, she shares her experience in the course and tells us about her background and future plans. Hello Anita! Thank you so much for […]
The post Meet Anita: Lifelong Learner,…